著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
,"Problems of ore deposition : 4th symposium of the International Association on the Genesis of Ore Deposits, Varna, 1974",,Pub. House of the Bulgarian Academy of Sciences,,,,,,https://cir.nii.ac.jp/crid/1130282269687444480